What is the purpose of the letter?To sale ______. [br] What profits do you obt

游客2023-10-05  12

问题 What is the purpose of the letter?
To sale ______.
[br] What profits do you obtain if the Glux air conditioners are installed in your offices?
The staff efficiency will ______.

选项

答案 increase by 10%

解析
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